- Adhesives
Desmocoll® 540/4
Predominantly linear, flexible hydroxyl polyurethane with a exremly high crystallisation rate. It has outstanding adhesion on PVC substrates, high green strength and heat resistance of the bonds.
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About
Product Types
- PU resin
Material
- Adhesives
- Heat activated, Solventborne
General Characterization
Desmocoll 540/4 is a predominantly linear hydroxyl polyurethane.
Desmocoll 540/4 is a flexible polyurethane with an extremely high crystallization rate and very low thermoplasticity. It is characterised by its high green strength and the heat resistance of the bonds.
Desmocoll 540/4 has outstanding adhesion on PVC substrates and high resistance to the most commonly used PVC plasticizers.
Desmocoll 540/4 is a flexible polyurethane with an extremely high crystallization rate and very low thermoplasticity. It is characterised by its high green strength and the heat resistance of the bonds.
Desmocoll 540/4 has outstanding adhesion on PVC substrates and high resistance to the most commonly used PVC plasticizers.
Storage Conditions
Desmocoll 540/4 should be stored in tightly sealed original containers and protected from direct sunlight, moisture, heat, and foreign materials. Recommended storage temperature is 10º-25ºC.
Sampling
No data available
Packaging Type
No data available
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Heat resistance | °C | approx. 80 | |
| Bondability of materials containing plasticizers | Excellent | ||
| Density | g/ml | approx. 1.2 | |
| Hot tack life | min. | approx. 4 | |
| Minimum activation temperature | °C | approx. 60 | |
| Hydroxyl content | % | < 0.1 | |
| Crystallization | min. | approx. 10 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Solution viscosity , 15% inbutanone-2 (MEK)at 23°C, Haake | mPa∙s | 1,600 - 2,100 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
